Abstract
Coastal oil pollution, especially occurring on coastal beach, is thorny issue when it comes to environmental restoration. Today, bioremediation is the current method used in treating beach oil pollution. Although it has undergone some improvements, this method still doesn't work very well. In this paper, a highly efficient procedure in bioremediation is studied. This method, using more varieties of microbes and water recirculation, may degrade heavy oil in a few days. Three sets are designed into this study. The method in Set 1 is a traditional degradation using a single microbe with only fertilizers and dispersant. The method in Set 2 is a highly efficient degradation process with more varieties of microbes, fertilizers, dispersant, fresh water recirculation and pumped-in air supplying. Set 3 is s control set which degrades heavy oil with the original microbe in beach sand only. Results of these experiments show that the process used in Set 2 will completely degrade heavy oil within 60 days. This is more efficient than by the traditional method as in Set 1, which takes more than 200 days.
Highlights
Oil spills occurred all over the world
The experimental details are summarized below: A significant sample of beach sand was collected from Tainan beach in Taiwan (22.960187, 120.177629), which is at high risk for oil pollution, in order ensure that the results of the experiment approximate real conditions
From the present results obtained, one can draw the important conclusions: Degradation by multiple bacteria is an efficient method of remediating coastal pollution
Summary
Oil spills occurred all over the world. Visible spills may occur in marine areas, rivers or land. Invisible spills may occur from industrial waste water, exhaust from daily living, even from some manufacturers stealthily pouring their dregs into the sewer system in the name of “pollution prevention”. Oil pollution occurs at all times and places. Man’s morals do not match his technological capabilities. A prodigious number of oil spills may be due to release of effluents from offshore platforms, drilling rigs and wells, as well as spills of crude oil from tankers. Aside from the famous Deep water Horizon oil spill in the Gulf of Mexico recently, great amounts of oil are released into the environment from marine accidents, such as ship collisions, groundings or mechanical failures
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